| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2008 | 978-0-9560146-0-3 | C.J. Davis | Algebra Mathsfill: GCSE Mathematics Workbook |
| '' | 978-0-9560146-1-0 | C.J. Davis | Number Mathsfill: GCSE Mathematics Workbook |
| 2013 | 978-0-9560146-2-7 | English - English WordFill: Part 2: Phrases | |